package com.atguigu.gulimall.order.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;

/**
 * @author jingchun
 * @create 2024-07-23 21:46
 */

@Configuration
public class GuliFeignConfig {



	@Bean("requestInterceptor")
	public RequestInterceptor requestInterceptor() {

		RequestInterceptor requestInterceptor =  new RequestInterceptor() {

			@Override
			public void apply(RequestTemplate requestTemplate) {
				//1、使用RequestContextHolder拿到刚进来的请求数据

				ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();

				if (requestAttributes != null) {
					//老请求
					HttpServletRequest request = requestAttributes.getRequest();
					if (request != null) {
						//同步请求头数据：cookie
						String cookie = request.getHeader("Cookie");
						requestTemplate.header("Cookie", cookie);
					}
				}
			}


		};
		return requestInterceptor;
	}

}
